Steven Wilson – lead vocals, mellotron, keyboards, guitars, bass guitar on "The Holy Drinker"
Guthrie Govan – lead guitar
Nick Beggs – bass guitar, Chapman Stick on "The Holy Drinker", backing vocals
Adam Holzman – keyboards, hammond organ, piano, minimoog
Marco Minnemann – drums, percussion
Theo Travis – flute, saxophone, clarinet

Jakko Jakszyk – additional vocals on "Luminol" and "The Watchmaker"
Alan Parsons – wah-wah guitar on "The Holy Drinker"
Strings arranged by Dave Stewart, performed by the London Session Orchestra and recorded at Angel Studio 17 October 2012 (Soloist - Perry Montague-Mason)
Niko Tsonev – Guitar solo on "The Watchmaker (demo)" and additional guitars on "Luminol (demo)".